Your search for "Mag bit" revealed the following:
MAG-BIT MAG626-626.9015B 1/4" x 1-7/8" HSS Pilot Bit with Spring
Regular price
$520
$5.20
Save $0.92
MAG-BIT MAG624-624.2916 1-13/16" Bi-Metal Vari-Pitch Hole Saws
Regular price
$1087
$10.87
Save $1.92